Denial of Service in SAP NetWeaver AS for Java Http Service Monitoring Filter
CVE-2021-33670

7.5HIGH

Key Information:

Vendor

SAP
Status
SAP Netweaver As For Java (http Service)
Vendor
CVE Published:
14 July 2021

What is CVE-2021-33670?

A vulnerability in the Http Service Monitoring Filter of SAP NetWeaver AS for Java allows an attacker to send multiple HTTP requests with different methods. This action can overwhelm the filter, resulting in it crashing and causing the HTTP server to become unavailable for legitimate users, effectively leading to a denial of service scenario.

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Deploy the Patch

Affected Version(s)

SAP NetWeaver AS for Java (Http Service) < 7.10 < 7.10

SAP NetWeaver AS for Java (Http Service) < 7.11 < 7.11

SAP NetWeaver AS for Java (Http Service) < 7.20 < 7.20

References

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageI...
x_refsource_MISC
https://launchpad.support.sap.com/#/notes/3056652
x_refsource_MISC
http://seclists.org/fulldisclosure/2022/May/4
mailing-listx_refsource_FULLDISC

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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